https://jobs.co.uk/job/senior-core-network-engineer-oscar-associates-ltd--d44e2dfa-7010-4c3a-8684-f97c6ac43b40 RSS feed for Senior Core Network Engineer at Oscar Associates Ltd. en-gb Fri, 04 Sep 2026 21:14:06 GMT https://jobs.co.uk/job/senior-core-network-engineer-oscar-associates-ltd--d44e2dfa-7010-4c3a-8684-f97c6ac43b40 https://jobs.co.uk/job/senior-core-network-engineer-oscar-associates-ltd--d44e2dfa-7010-4c3a-8684-f97c6ac43b40 Fri, 04 Sep 2026 11:52:09 GMT Location: England | Salary: 450.00-450.00 Daily | Type: Contract | Senior Core Network Engineer | 6 months initially | 2 days on site | London, Chester or Bromley | £465 p/d | Inside IR35We''re seeking an experienced Senior Core Network Engineer to support the evolution of a large-scale enterprise network. This role would suit an engineer with extensive experience in Cisco core networking technologies, network automation, and delivering large-scale infrastructure projects within enterprise or service provider environments.What You''ll Be DoingDesign, implement and optimise large-scale core network infrastructure.Lead network transformation programmes, hardware refreshes and platform upgrades.Deliver end-to-end migration activities, including planning, implementation and rollback strategies.Build and enhance network automation capabilities using Cisco NSO and modern automation technologies.Support routing, switching and optical networking across a global environment.Produce technical documentation, engineering standards and implementation plans.Work closely with architecture, operations and project teams to deliver strategic infrastructure initiatives.Troubleshoot complex networking issues and drive continuous service improvements.What We''re Looki... Contract